Methods Villagers who bred ermines with symptom of brucellosis , plus a brucella serum agglutination ( SAT ) titer ≥ 1:100 with an onset from January 2004 to July 2005 were investigated .
方法以2004年1月～2005年7月马楼村养殖人员出现布病临床症状，伴布鲁杆菌试管凝集试验滴度≥1∶100者为调查对象。
ermines